ClassID:

86514

C02F2103/24 - CPC Classification

Classification description:

Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries

Recent Application in this class:
#1
20250368541
2025-12-04

METHOD OF FILTERING TANNERY WASTEWATER AND A TANNERY WASTEWATER TREATMENT SYSTEM

#2
20220289610
2022-09-15

Method for chromium removal from post-tanning wastewater

#3
20220177998
2022-06-09

PROCESS OF EXTRACTION OF METALS FROM A WET MASS OF WASTE

#4
20200115253
2020-04-16

Tannery process with effluent recycling

#5
20190210892
2019-07-11

Method of treatment using a solid particulate material and apparatus therefor

#6
20190185588
2019-06-20

Phosphonium-crosslinked chitosan and methods for using and producing the same

#7
20190144959
2019-05-16

Animal skin substrate treatment method and apparatus

#8
20180127285
2018-05-10

Tannery process with effluent recycling

#9
20180117561
2018-05-03

Plant for waste disposal and associated method

#10
20170233833
2017-08-17

Leather production using waste liquids

#11
20170175100
2017-06-22

Composite of immobilized on modified graphene oxide and its preparation method and application

#12
20170166466
2017-06-15

Cold temperature-resistant microbials and methods of their use

#13
20170158530
2017-06-08

Recovering chrome from a tannery process

#14
20170107132
2017-04-20

RECYCLING TREATMENT SYSTEM FOR TANNERY WASTEWATER

#15
20170081226
2017-03-23

Denitrification of saline industrial waste water

#16
20170014733
2017-01-19

Use of a fiber conduit contactor for extraction

#17
20160244349
2016-08-25

Production of ultra-high-density brines

#18
20160060143
2016-03-03

Surface-treated calcium carbonate and phyllosilicate and its use in water purification

#19
20150176094
2015-06-25

Tannery process with effluent recycling

#20
20150175444
2015-06-25

Wastewater filtration system and method

#21
20150167108
2015-06-18

Method of recovering chrome from a tannery process

#22
20140076805
2014-03-20

Use of a fiber conduit contactor for metal and/or metalloid extraction

#23
20130134080
2013-05-30

Method for treating waste waters

#24
20130001169
2013-01-03

Metal removal system

#25
20120012525
2012-01-19

Refuse landfill leachate wastewater treatment system and technology

#26
20110006264
2011-01-13

CORROSION INHIBITOR

#27
20090050560
2009-02-26

Anaerobic reactor for the removal of long chain fatty acids from fat containing wastewater

#28
20080230094
2008-09-25

METHOD TO INHIBIT GROWTH OF MICROORGANISMS IN AQUEOUS SYSTEMS AND ON SUBSTRATES USING PERSULFATE AND A BROMIDE

#29
20080038184
2008-02-14

Process and apparatus for the production of sulphur oxides

#30
20060003891
2006-01-05

Spent FCC catalyst based coagulating and flocculating agent and method for making it

#31
20050067347
2005-03-31

Sustainable process for the treatment and detoxification of liquid waste

#32
15364233
2017-05-09

Method for preparing an adsorbent for removing organic dyes from water